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Dwyer 1950G Pressure Switch
Dwyer 1950G Pressure Switch is a compact, weatherproof differential pressure switch designed for precise monitoring and control of air and compatible gases. It offers adjustable setpoints, fast response, and reliable switching performance, making it ideal for HVAC, cleanroom, and industrial applications.
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Categories: Pressure Switches
Description
The Dwyer 1950G Pressure Switch is engineered to deliver accurate and repeatable pressure-based switching using a diaphragm-actuated mechanism combined with a snap-action switch. It allows field-adjustable setpoints, enabling users to configure switching thresholds for applications such as airflow proving, filter monitoring, and fan status indication. The “G” model features a more compact and economical design compared to the standard 1950 series, while maintaining dependable performance. Its robust construction and simple installation make it suitable for both new systems and retrofit applications in low-pressure environments.
In addition, the switch is housed in a weatherproof enclosure that protects against dust, moisture, and harsh industrial conditions, allowing reliable indoor and outdoor use. It supports SPDT electrical contacts for flexible integration with alarms, relays, and control systems. With minimal maintenance requirements, long operational life, and consistent performance, the 1950G Pressure Switch provides a cost-effective solution for critical pressure monitoring and control in industrial and commercial systems.
QTech Safety is a leading supplier of Dwyer 1950G Pressure Switch in Ireland, offering competitive prices and fast worldwide shipping across United Kingdom (UK), Germany, France, Italy, Spain, United States USA, Canada, Mexico, and Western Australia (Perth). Buy Dwyer Instruments Pressure Switches from one of Ireland’s most trusted industrial safety equipment suppliers.
Features of Dwyer 1950G Pressure Switch
- For use with air and compatible combustible gases
- Temperature Limits: 0 to 140°F (-17 to 60°C
- Pressure Limits: 45″ w.c. (11.2 kPa) continuous; 10 psig (68.95 kPa) surge
- NEMA 3 (IP54), NEMA 7 and 9 rated enclosure
- Switch Type: 1 Form C relay (SPDT)
- Power Requirements: 24 VDC ±10%. 120 or 240 VAC ±10% optional
- Internal terminal block electrical connections
- 1/8″ female NPT process connection
- Set Point Adjustment: Screw type on top of housing
- ATEX, CE, CSA, FM, IECEx, UL approvals
Technical Specifications of Dwyer 1950G
- Type: Differential pressure switch
- Measurement range: Various low-pressure ranges (application dependent)
- Setpoint adjustment: Field adjustable
- Accuracy: ±2% full scale (typical)
- Operating temperature: -34 to 82 °C (-30 to 180 °F)
- Media compatibility: Air and non-combustible, compatible gases
- Maximum pressure: 10 psig (0.69 bar)
- Electrical rating: SPDT switch (e.g., up to 15 A @ 120–240 VAC)
- Process connection: 1/8″ NPT female
- Enclosure rating: Weatherproof (NEMA 4 equivalent)
- Mounting: Surface or panel mount
- Housing material: Aluminum or engineered polymer (model dependent)
Pressure Switches Part Number & Configuration Guide
Standard (Example) Part Number
1950G-00-B-120-NA
This is a reference configuration for the Dwyer Instruments Pressure Switches. It represents one commonly supplied setup and helps customers understand how the part number is structured.
Configurable Part Number Format
1950G-XX-X-XXX-XX
Each X / XX in the part number indicates a selectable option that can be customized based on your application requirements such as Pressure Type, Connection Type, Pressure Range & Transmitter Output.
✅ Important: Final part number depends on the exact configuration needed for your machinery, environment, and monitoring system.
Applications
The Dwyer 1950G Pressure Switch is commonly used in industrial calibration and testing applications, including:
- HVAC airflow proving and fan status monitoring
- Air filter differential pressure monitoring
- Cleanroom pressure control systems
- Industrial ventilation systems
- Alarm and safety interlock systems
Why Choose QTech Safety?
At QTech Safety, we’re more than just a safety supplier we’re your trusted partner in workplace protection and compliance.
Here’s why companies across UK and Ireland (EU) choose us for safety products and training:
- Comprehensive Range of Safety Equipment:
From gas detection and PPE to industrial safety tools, we offer one of the widest selections of trusted brands all at competitive Irish market prices. - Test & Measurement Instruments You Can Trust:
We supply a wide range of test and measurement instruments from the most leading and trusted brands, including industrial sensors, multimeters, oscilloscopes, accelerometers, proximity sensors, and other advanced measurement tools to support accurate diagnostics, condition monitoring, calibration, and maintenance applications. - Expert Health & Safety Training:
We provide professional health and safety training programmes designed to help your workforce stay compliant and confident on the job. - Fast, Reliable Delivery Worldwide:
Whether you’re in Texas United States or Perth Western Australia, our fast delivery service ensures you get your safety equipment quickly and efficiently. - Trusted by European Businesses:
We’re proud to support industries across Europe (UK) with certified safety solutions, expert advice, and responsive customer service.
We Ship Worldwide
At QTech Safety, we supply industrial sensors and instrumentation across Ireland, offering fast and reliable worldwide delivery. Through strong global logistics partnerships, we ensure efficient shipping and professional support for customers in Europe, North America, and Australia.
🡆 Europe (United Kingdom, Ireland, Germany, France, Italy, Spain, and the rest of European Union)
🡆 Australia (Western Australia WA, Queensland QLD, and New South Wales NSW)
🡆 North America (United States, Canada, Mexico)